Adds tests for the new JabRefCLI class.
Adds tests for the new JabRefCLI class.

grimes2/jabref,Braunch/jabref,mredaelli/jabref,tschechlovdev/jabref,JabRef/jabref,bartsch-dev/jabref,tobiasdiez/jabref,Mr-DLib/jabref,mredaelli/jabref,obraliar/jabref,Braunch/jabref,Mr-DLib/jabref,bartsch-dev/jabref,bartsch-dev/jabref,obraliar/jabref,Siedlerchr/jabref,grimes2/jabref,grimes2/jabref,mredaelli/jabref,tobiasdiez/jabref,JabRef/jabref,oscargus/jabref,bartsch-dev/jabref,ayanai1/jabref,mairdl/jabref,mairdl/jabref,jhshinn/jabref,obraliar/jabref,sauliusg/jabref,tschechlovdev/jabref,shitikanth/jabref,Mr-DLib/jabref,shitikanth/jabref,tobiasdiez/jabref,jhshinn/jabref,mairdl/jabref,bartsch-dev/jabref,ayanai1/jabref,tschechlovdev/jabref,motokito/jabref,JabRef/jabref,mredaelli/jabref,shitikanth/jabref,Mr-DLib/jabref,jhshinn/jabref,sauliusg/jabref,obraliar/jabref,Braunch/jabref,sauliusg/jabref,motokito/jabref,Braunch/jabref,zellerdev/jabref,oscargus/jabref,mairdl/jabref,zellerdev/jabref,ayanai1/jabref,shitikanth/jabref,oscargus/jabref,tobiasdiez/jabref,motokito/jabref,Braunch/jabref,JabRef/jabref,ayanai1/jabref,sauliusg/jabref,jhshinn/jabref,Siedlerchr/jabref,zellerdev/jabref,shitikanth/jabref,tschechlovdev/jabref,Mr-DLib/jabref,motokito/jabref,Siedlerchr/jabref,grimes2/jabref,zellerdev/jabref,motokito/jabref,oscargus/jabref,tschechlovdev/jabref,jhshinn/jabref,mredaelli/jabref,mairdl/jabref,obraliar/jabref,oscargus/jabref,Siedlerchr/jabref,ayanai1/jabref,grimes2/jabref,zellerdev/jabref